GhostLock CVE-2026-43499 is a high-severity Linux kernel privilege-escalation issue. Patch vendor kernels, reboot, and verify hosting/container hosts.
OpenSSL’s June 2026 advisory includes CMS, ASN.1, PKCS#12, QUIC, and OCSP issues that hosting teams should inventory and patch.
Webmin 2.650 and 2.651 include security-relevant panel fixes, Certbot follow-up fixes, File Manager cleanup, and hosting-admin verification steps.
DirectAdmin 1.705 changes TLS certificate isolation, reseller template permissions, CloudLinux PHP behavior, and panel update checks. Use this maintenance checklist before and after upgrading.
Help4 Disk Usage 0.2.3 gives hosting teams support-ready disk and inode reports across WHM, cPanel, and WHMCS without deleting customer files.
Install Certbot for Nginx, request a Let’s Encrypt certificate, test renewal, reload safely, and avoid common hosting-panel mistakes.
Update older Nginx HTTP/2 configs to the newer http2 on directive, test safely, reload without downtime, and verify h2 from the browser or curl.
2026 update: this note started as a quick fix for an Installatron Error 500 after a WHM/cPanel 110.0.2 update. The useful lesson is still current: when a one-click installer breaks after a panel update, treat
